English verb conjugation
CAN MAJOR

Regular verb: major - majored - majored

Affirmation

Simple form	V-ing form
I can major you can major she can major we can major you can major they can major	I can be majoring you can be majoring she can be majoring we can be majoring you can be majoring they can be majoring
Perfect	V-ing perfect
I can have majored you can have majored she can have majored we can have majored you can have majored they can have majored	I can have been majoring you can have been majoring she can have been majoring we can have been majoring you can have been majoring they can have been majoring

Negation

Simple form	V-ing form
I cannot major you cannot major she cannot major we cannot major you cannot major they cannot major	I cannot be majoring you cannot be majoring she cannot be majoring we cannot be majoring you cannot be majoring they cannot be majoring
Perfect	V-ing perfect
I cannot have majored you cannot have majored she cannot have majored we cannot have majored you cannot have majored they cannot have majored	I cannot have been majoring you cannot have been majoring she cannot have been majoring we cannot have been majoring you cannot have been majoring they cannot have been majoring

Interrogative form

Simple form	V-ing form
can I major? can you major? can she major? can we major? can you major? can they major?	can I be majoring? can you be majoring? can she be majoring? can we be majoring? can you be majoring? can they be majoring?
Perfect	V-ing perfect
can I have majored? can you have majored? can she have majored? can we have majored? can you have majored? can they have majored?	can I have been majoring? can you have been majoring? can she have been majoring? can we have been majoring? can you have been majoring? can they have been majoring?

Interro-negative form

Simple form	V-ing form
can I not major? can you not major? can she not major? can we not major? can you not major? can they not major?	can I not be majoring? can you not be majoring? can she not be majoring? can we not be majoring? can you not be majoring? can they not be majoring?
Perfect	V-ing perfect
can I not have majored? can you not have majored? can she not have majored? can we not have majored? can you not have majored? can they not have majored?	can I not have been majoring? can you not have been majoring? can she not have been majoring? can we not have been majoring? can you not have been majoring? can they not have been majoring?